update readme file

Author: awesomeamyg

README.md

@@ -36,4 +36,6 @@ Pre-requisites:
 
 Use the following commands to run the perl samples.
 - `perl create_policy_step_by_step.pl -nbmaster <masterServer> -username <username> -password <password> [-domainName <domainName>] [-domainType <domainType>]`
-- `perl create_policy_in_one_step.pl -nbmaster <masterServer> -username <username> -password <password> [-domainName <domainName>] [-domainType <domainType>]`
+- `perl create_policy_in_one_step.pl -nbmaster <masterServer> -username <username> -password <password> [-domainName <domainName>] [-domainType <domainType>]`
+- `perl api_requests_images.pl -nbmaster <masterServer> -username <username> -password <password> [-domainName <domainName>] [-domainType <domainType>]`
+- `perl api_requests_image_contents.pl -nbmaster <masterServer> -username <username> -password <password> [-domainName <domainName>] [-domainType <domainType>]`